RATING CERTIFICATE
Sail number : GBR 486

YACHT DESCRIPTION

Name of Yacht: SLEEPER X Photo 1 - Photo 2...
Request date : 2025-03-02
Launch year :1972
Designer : Sparkman and Stephens
Design year : 1970
Builder : Nautor
Class name : Swab 48
Usual place of sailing : south of England

Declared dimensions :
Lenght Over All (LH) = 14.60 m
Length on the Water Line (LWL) = 11.42 m
Max width (BH) = 4.15 m
Draft (TE) = 2.40 m
Displacement factor (FD) = 10.306

Correction factor calculation

Type of rig : bermudian sloop = 1
Hull: modern 2
C2 = 0.04 Kref = 0.191
C2a = 0.038
Performance group : Performance class 3 = 0
Vintage bonus (build): 1972 = 0.033
Vintage bonus (design): 1970 = 0.03
Cumulative vintage bonus: 0.063
Hull material : other = 0.05
Mast material : wood/aluminium/steel = 0
Boom material : wood/aluminium/steel = 0
Mast or boom total penality (D.2.1.3.6) : 0
Year of mast change : 2020 = 0.018
Year of spar change : 2020 = 0.009
Sails material : type 2 = 0
Propeller type : orientable ou repliable = -0.01
Winches ? : with = 0

Correction factor (C)= 1.224
BERMUDIANS
Max foresail area: 73.68 m²
Genoa HLU = 18.45 ; HLP = 7.65

BERMUDIANS
Main total area: 50.81 m²
Mainsail P = 16.80 ; E = 5.26

No downwindsail

RATING ( Rc ): 13.604

Time corrected Factor ( Ftc ): 1.0462

The delivery of a JCH certificate does not have to be understood as the elligibility of the boat to classic regattas.
Elligibility to a specific regatta is governed by the elligibility rules the organizers has decided and have displayed in the Notice of Race.

Certification commission :

Conseil JCH

Date of certificate :

2025-03-02

JCH commission member :

Costalas Peter

Certificate number :

3-025-4229